苹果推出了Apple Watch Ultra 4，该产品将于2026年9月18日开始发售5，起价799美元5。新款手表搭载全新的S11芯片2和升级的健康传感系统23，包括改进的传感器、升级的电极以改善心电图测量，以及更节能的绿色LED以提高全天及运动时的心率测量精度1。此外，Apple Watch Ultra 4还配备新版本的Siri语音助手，支持Apple Intelligence、Audio Intelligence和全新的watchOS 27系统5。
在续航能力方面，Apple Watch Ultra 4在普通模式下可使用超过2天，低电量模式下续航达84小时，户外运动模式下可用45小时，并支持15分钟快速充电获得额外18小时使用时间5。心率测量方面，该产品将以每5秒一次的频率进行全天候连续测量，心率变异性（HRV）测量频率提升至每天24倍以上，步数追踪精度据称是任何智能手表中最准确的5。
健康功能方面，新款手表提供了增强的心脏健康监测功能2，并在健康应用程序中新增Longevity标签和Health Age功能，支持检测50多种生物标记，需支付119美元5。设备采用自然色和黑色钛金属材质5，整体45%采用回收材料，钛金属和电池钴均为100%回收5。苹果同时推出Apple Upgrade租赁计划，起价每月24.99美元，租期24个月5，此外还提供以旧换新、分期付款等多种购买方案4。
Apple has announced the Apple Watch Ultra 4, featuring a redesigned health sensing system and integration with an upgraded version of Siri.123 The new smartwatch is equipped with improved sensors, including upgraded electrodes for enhanced electrocardiogram measurements and a more energy-efficient green LED to boost heart rate accuracy during all-day use and exercise.1
The Apple Watch Ultra 4 will be available starting September 18.4 The device starts at $799 in the United States.5 Apple is offering multiple purchasing options, including rental plans beginning at $24.99 per month for 24-month terms, trade-in programs, financing options, and various delivery methods including two-hour expedited shipping and free standard delivery.45
The Apple Watch Ultra 4 delivers extended battery life, with standard usage lasting more than two days and low-power mode enabling up to 84 hours of operation.5 Heart rate measurements occur every five seconds with continuous all-day monitoring, while heart rate variability assessments have been increased to more than 24 times daily.5 The watch incorporates the new S11 chip and an upgraded Health Sensing System.25 The device is available in natural titanium and black titanium finishes, with 45 percent recycled material content overall, 100 percent recycled titanium, and cobalt-free battery technology.5
watchOS 27 will launch on September 14, introducing new AI-powered features including Live Rewind and Siri Recap, which will roll out as beta versions later in the year.5 A new Longevity feature in the Health app will provide a Health Age metric and support monitoring of more than 50 biological markers for $119.5
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